睡眠病

例句：

1. 1. He suffers frominsomnia every night.
   他每晚都饱受失眠之苦。
2. 2. The doctor prescribed himmedication to treat his sleep disorder.
   医生给他开了药来治疗他的睡眠障碍。
3. 3. Manypeople struggle with insomnia due tostress or anxiety.
   由于压力或焦虑，许多人患有失眠症。